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%I #4 Jan 05 2014 12:39:00
%S 22500,2691067,417967682,41170730836,3998547995093,282203684810984,
%T 19728773908721866,1090479569705332324,59978597869556298802,
%U 2740097672205395658455,124802366974771368162608
%N Number of (n+1)X(3+1) 0..3 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise
%C Column 3 of A235261
%H R. H. Hardin, <a href="/A235260/b235260.txt">Table of n, a(n) for n = 1..31</a>
%e Some solutions for n=1
%e ..1..0..1..2....1..0..3..3....1..1..2..2....1..2..3..2....0..3..2..3
%e ..3..1..3..2....2..3..3..0....3..0..3..3....0..1..3..3....0..0..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 05 2014
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